50168665 has 4 divisors (see below), whose sum is σ = 60202404. Its totient is φ = 40134928.

The previous prime is 50168663. The next prime is 50168689. The reversal of 50168665 is 56686105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39337984 + 10830681 = 6272^2 + 3291^2 .

It is a cyclic number.

It is not a de Polignac number, because 50168665 - 2¹ = 50168663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50168663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5016862 + ... + 5016871.

It is an arithmetic number, because the mean of its divisors is an integer number (15050601).

Almost surely, 2^50168665 is an apocalyptic number.

It is an amenable number.

50168665 is a deficient number, since it is larger than the sum of its proper divisors (10033739).

50168665 is a wasteful number, since it uses less digits than its factorization.

50168665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033738.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 50168665 is about 7082.9841874735. The cubic root of 50168665 is about 368.8169297262.

The spelling of 50168665 in words is "fifty million, one hundred sixty-eight thousand, six hundred sixty-five".